package com.itheima.jiekou7;

public class Test {
}
interface  InterC {
    default void sing(){
        System.out.println("大碗宽面");
    }
}
interface InterB {
    default void sing(){
        System.out.println("只因你太美");
    }
}
interface InterD extends InterB,InterC{
    @Override
    default void sing() {
        System.out.println("我和我的狱友");
    }
}
